Demo

Software Developer | Quoting | Experienced Hire

Susquehanna International Group, LLP
Bala Cynwyd, PA Full Time
POSTED ON 10/16/2026
AVAILABLE BEFORE 11/15/2026
Overview

Susquehanna is one of the world's leading options market makers, providing liquidity across global financial markets through cutting-edge technology, quantitative research, and deep trading expertise. We are looking for an experienced C Developer to join our Options Market Making technology team and help build the performance critical infrastructure that sits at the core of our trading business.

In this role, you will be part of an early effort to build our next generation of gateways, critical exchange connectivity systems that enable our traders to price, quote, and execute in highly competitive electronic markets.

This is an opportunity to work on high-impact systems where performance, reliability, and engineering precision directly influence trading outcomes.

How you'll make an impact:
  • Design and develop performance sensitive C applications that connect our trading platforms to exchanges and liquidity venues
  • Engineer resilient real-time systems capable of handling massive volumes of market data and order flow
  • Collaborate directly with traders, quantitative researchers, and infrastructure engineers to improve trading performance and execution quality
  • Analyze system behavior and optimize latency, throughput, and determinism across the software stack
  • Contribute to the architecture of next-generation trading systems supporting one of the largest options market making businesses globally

What we're looking for

  • Minimum 2 years of experience programming in modern C , with a focus on writing performance critical code is required
  • Comfortable working in a fast-paced, collaborative environment with traders, researchers, and other developers to iterate quickly on ideas
  • Knowledge of TCP/UDP networking and/or exchange facing protocols is a plus
  • Prior experience in electronic trading or financial technology is a plus but not a requirement to be successful
  • Bachelor's or Master's degree in Computer Science, Computer Engineering, Mathematics, or related technical field

What you can expect from us:

Real Impact: By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimize systems that can process massive amounts of data while still ensuring high performance and stability. You'll see how your contributions towards developing and supporting leading-edge hardware and software technologies make a firm-wide impact that makes us all smarter, faster, and better.

Collaboration: Our systems engineers, network architects, technical analysts and software developers work together to create competitive edge through best-in-class technical solutions.

Growth: For many of our roles, we don't expect you to have prior industry experience in proprietary trading or financial services to succeed at Susquehanna International Group. We're looking for people who are naturally curious, relentless problem solvers, and have the desire to continuously innovate, learn, and grow.

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

What we do

We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

#LI-DT1

Salary.com Estimation for Software Developer | Quoting | Experienced Hire in Bala Cynwyd, PA
$109,084 to $136,475
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Software Developer | Quoting | Experienced Hire?

Sign up to receive alerts about other jobs on the Software Developer | Quoting | Experienced Hire career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$101,441 - $130,752
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$88,790 - $110,816
Income Estimation: 
$107,385 - $134,565
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Susquehanna International Group, LLP

  • Susquehanna International Group, LLP Sydney, FL
  • Overview Susquehanna is seeking a Security Engineer to join our Sydney team, supporting the firm’s ambitious growth objectives while safeguarding our infor... more
  • 13 Days Ago

  • Susquehanna International Group, LLP Philadelphia, PA
  • Overview This is a trading role in which you will be making quick decisions to trade a wide swath of sports and political products using in house models an... more
  • Just Posted

  • Susquehanna International Group, LLP Philadelphia, PA
  • Overview Susquehanna has a job opportunity available for a securities trading attorney to join our in-house counsel/legal team. In this role, you will focu... more
  • Just Posted

  • Susquehanna International Group, LLP Philadelphia, PA
  • Overview As a Summer Analyst on Susquehanna's Credit Research team, you will be partnered with our senior analysts and traders to assist in identifying inv... more
  • Just Posted


Not the job you're looking for? Here are some other Software Developer | Quoting | Experienced Hire jobs in the Bala Cynwyd, PA area that may be a better fit.

  • Susquehanna International Group, LLP Philadelphia, PA
  • Overview Susquehanna is one of the world’s leading options market makers, providing liquidity across global financial markets through cutting-edge technolo... more
  • 6 Days Ago

  • Susquehanna International Group, LLP Bala Cynwyd, PA
  • Overview Susquehanna is looking for an experienced Software Build Engineer with deep knowledge of C build tools and a passion for Developer Productivity. T... more
  • Just Posted

AI Assistant is available now!

Feel free to start your new journey!